ISR OE Replacement O2 Sensor - FAT Nissan 240sx SR20DET 1989-1998

Part #: OE - 22690 - 50F03. ISR Performance O2 sensors are an excellent choice to replace the worn - out ones in used SR20DET motors. Replacing it can significantly improve your gas mileage. S13 Black top Sr20det and S14 SR20DET models use the FAT type 3 - wire plug O2 sensors. Check your current O2 sensor to order the right type. All ISR Performance products are for off - road use only. Note that ISR orders may take a day to process. Contact us directly if you need it urgently.

Using this O2 sensor is straightforward. First, identify the type of your existing O2 sensor. For S13 Black top Sr20det and S14 SR20DET models, the FAT type 3 - wire plug O2 sensor is what you need. Once you've confirmed the type, simply remove the old O2 sensor and install the new ISR Performance O2 sensor. Remember, this product is designed for off - road use only. If you're planning to use it on the road, it's not suitable. As for maintenance, there's not much you need to do. But it's a good idea to periodically check its connection to make sure it's secure. If you order this sensor, be aware that it might take a day to process. If you're in a hurry, just give us a call directly.